Classification
PKA - Elementary particles, nuclei - general
233
PKC - Elementary particles, nuclei - general theory
144
PKL - Elementary particles - interactions, reactions, resonances
94
PBA - Quantum theory
92
PKN - Nuclear structure
92
MSD - Mathematical methods in physics
88
PKR - Nuclear reactions, nuclear scattering
72
PKG - Accelerators
70
PKK - Theory of fields and particles - general
58
PAD - Physics - comprehensive works
50
PKF - Elementary particles, nuclei - measuring methods and instruments
41
PLA - Astrosciences - general
40
TEA - Electrical engineering - general
40
PKB - Elementary particles, nuclei - comprehensive works
39
TBJ - Integrated circuits
36
PCB - Statistical physics
34
PCC - Quantum statistics, many particle problems
33
TBC - Electronic circuits
32
PKLB - Elementary particles - specific theories, interaction models
31
TCL - High frequency engineering
29
MAK - Mathematics - formulae, tables
28
MRB - Special functions, special polynomials
28
PKNE - Nuclear structure - models and methods
28
MFD - Group theory, representation theory
27
PJA - Atomic physics - general
26
PDA - Mechanics - general
25
THA - Mechanical engineering - general
24
PKJ - Quantum electrodynamics
22
PKKG - Gauge field theory
22
TBG - Transistors
22
THE - Computer aided design and engineering (CAD)
22
PKFD - Radiation detectors
21
PKKA - Quantum field theory
21
DKAI - Unix - operating system
20
DMA - Programming
20
DUA - Text and document processing
20
PBB - Quantum theory - special methods
20
PBG - Relativity, gravitation
20
PKNB - Properties of nuclei, nuclear energy levels
20
TBA - Electronic engineering - general
20
ACE - Germanic languages, Indo-Germanic languages
19
PKRP - Heavy ion induced reactions and scattering
19
MIAB - Infinitesimal calculus, foundations and textbooks
18
MNLA - Computational methods in mathematics
18
PEA - Electromagnetism
18
DNA - Computer networks, local area networks
17
DOF - Programming language - C, Turbo C, C# (C sharp)
16
PKGH - Beams in particle accelerators
16
TBF - Semiconductor devices
16
THD - Design and construction in mechanical engineering
16
more ...